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| wmm-package | wmm: R Implementation of World Magnetic Model |
| .CalcLegendre | Compute Associated Legendre Functions Given Sequence of (degree, order) Indices |
| .CalcLegendreComponents | Compute Legendre Components |
| .CalcPolynomialComponents | Calculate Polynomial Components for Associated Legendre Function |
| .CalculateGaussCoef | Lookup Table for Gauss coefficients g & h |
| .CalculateGeocentricFieldSum | Calculate sum of geocentric field components |
| .CalculateMagneticElements | Calculate Expected Magnetic Elements from WMM2020 |
| .CalculateMagneticField | Calculate Expected Magnetic Field from WMM2020 |
| .CalculateRadiusCurvature | Radius of curvature of prime vertical |
| .CheckBlackoutZone | Check if given horizontal intensity triggers a blackout zone |
| .CheckVersionWMM | Check if given time is consistent with available WMM versions |
| .ConvertGeocentricToGeodeticFieldComponents | Geocentric Coordinates to Geodetic Coordinates |
| .ConvertGeodeticToGeocentricGPS | Convert from Geodetic to Geocentric Coordinates |
| .DeriveVersionInfo | Derive WMM version based on given time |
| GetMagneticFieldWMM | Calculate Expected Magnetic Field from WMM |
| wmm | wmm: R Implementation of World Magnetic Model |